Finding the Fourth Proportional to 270,082.47, 405,114.99 and 80,544.39
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Solution
The fourth proportional to 270,082.47, 405,114.99 and 80,544.39 is: 120,813.99
Step by Step Solution
- Step 1: Write the proportion equation
270,082.47 : 405,114.99 = 80,544.39 : x - Step 2: Convert to fraction form
270,082.47/405,114.99 = 80,544.39/x - Step 3: Cross multiply
270,082.47x = 405,114.99 × 80,544.39 - Step 4: Simplify right side
270,082.47x = 32,629,739,749.41 - Step 5: Solve for x
x = 32,629,739,749.41/270,082.47 - Step 6: Final answer
x = 120,813.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.